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Yb:FAP and related materials, laser gain medium comprising same, and laser systems using same

Patent ·
OSTI ID:869131
 [1];  [2];  [3];  [4]
  1. Pleasanton, CA
  2. Castro Valley, CA
  3. Livermore, CA
  4. Salida, CA
+ Show Author Affiliations

An ytterbium doped laser material remarkably superior to all others, including Yb:YAG, comprises Ytterbium doped apatite (Yb:Ca.sub.5 (PO.sub.4).sub.3 F) or Yb:FAP, or ytterbium doped crystals that are structurally related to FAP. The new laser material is used in laser systems pumped by diode pump sources having an output near 0.905 microns or 0.98 microns, such as InGaAs and AlInGaAs, or other narrowband pump sources near 0.905 microns or 0.98 microns. The laser systems are operated in either the conventional or ground state depletion mode.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA
DOE Contract Number:
W-7405-ENG-48
Assignee:
United States Department of Energy (Washington, DC)
Patent Number(s):
US 5280492
OSTI ID:
869131
Country of Publication:
United States
Language:
English

References (11)

High power, high efficient neodymium:yttrium aluminum garnet laser end pumped by a laser diode array journal October 1987
The Growth and Crystallographic Properties of Calcium Fluor- and Chlorapatite Crystals journal January 1967
Ground-state depleted solid-state lasers: principles, characteristics and scaling journal July 1990
1-mJ/pulse Tm:YAG laser pumped by a 3-W diode laser journal January 1991
Room-temperature diode-pumped Yb:YAG laser journal January 1991
Two‐dimensional array of high‐power strained quantum well lasers with λ=0.95 μm journal June 1989
GaAs: Si LED Pumped Yb‐Doped YAG Laser journal July 1971
Spectroscopic and Laser Characteristics of Neodymium-doped Calcium Fluorophosphate journal January 1968
Diode laser-pumped solid-state lasers journal June 1988
Diode-Pumped Single-Frequency Lasers and Q-Switched Laser Using Tm:YAG and Tm,Ho:YAG conference January 1991
Single-Mode Lasing of Ho:Tm:YAG at 2.091 µm in a Monolithic Crystal conference January 1991

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